# -- coding: utf-8 --

my_name = "Songzhu Mei"
my_age = 34
my_height = 182 # centimeter
my_weight = 86 # kilogram
my_eyes = 'Brown'
my_teeth = "White"
my_hair = "Black"

print(f"Let's talk about {my_name}.")
print(f"He's {my_age} years old.")
print(f"He's {my_height} centimeters tall.")
print(f"He's {my_weight} kilograms heavy.")
print("I think he's a little bit heavier in his age.")
print(f"He's got {my_eyes} eyes and {my_hair} hair.")
print(f"His teeth are usually {my_teeth} depending on the coffee.")

# Mathimatic power in python is not ^
# my_bmi = my_weight / ((my_height / 100) ^ 2)

# but **.
# Here I use round() function to retain decimal
my_bmi = round(my_weight / ((my_height / 100) ** 2), 2)

print(f"His BMI is {my_bmi}. See, indeed a little heavier.")

